| 摘要 |
<p>Abstract A cover for a manhole includes a cover member sized to cover the manhole, the 5 cover member having an upper face and a lower face and a wall extending between the upper and lower face, and a lighting module electrically connected to the cover member. The lighting module is configured to emit light and illuminate at least a portion of the cover member. 977085 SPECI FORMAT Figure 1c</p> |
